Duke gets three annual publications of current words/usage which are useful not only as dictionaries but also for tracing trends in politics and society.

Gendai yōgo no kiso chishiki
現代用語の基礎知識
Annual series since 1948
PL684 .G38; latest edition in EA Ref
New and current words including ephemeral words. Electronic access available through JapanKnowledge

Jōhō chishiki imidas = Innovative Multi-Information Dictionary
情報・知識イミダス
Annual series since 1987
PL684 .I453; latest edition in EA Ref
Electronic access available through JapanKnowledge.

Chiezō
知恵蔵
Annual since 1990
AE35.2 C48; latest edition in EA Ref